CDL GENERAL KNOWLEDGE TEST (TEXAS) - PRACTICE TEST

31. To make the brakes work, air brakes use:
hydraulic air.
nitrogen.
compressed air.
carbon monoxide.
32. You should downshift in advance before:
entering a tunnel.
starting down a hill or entering a curve.
entering the highway.
crossing a bridge.
33. Make sure you have enough tread on your tires. You must have at least ________ tread depth in every major groove on front tires.
2/32 inch
1 inch
16/32-inch
4/32 inch
34. You should be aware that many car drivers closely follow large vehicles especially:
when crossing a bridge.
on the highway.
in the city.
in bad weather.
35. When backing a trailer, turn the wheel right to make the cab go ________ and the trailer go ________.
right; right
right; left
left; left
left; right
36. The 2 special conditions where you should downshift are:
While going down hill and after finishing a curve.
Before starting up a hill and before finishing a curve.
Before starting up a hill and after finishing a curve.
Before starting down a hill and before entering a curve.
37. Gross vehicle weight (GVW) is:
the total weight of the trailer or trailers.
the total weight of a single vehicle, except its load.
the total weight of a single vehicle including its load.
the total weight of the vehicle axle.
38. To use the controlled braking method in an emergency, you should:
pump the brake pedal 3 times.
apply the brakes when the wheels lock up.
apply the brakes as hard as you can without locking the wheels.
apply your brakes all the way, and release the brakes when the wheels lock up.
39. If you are stopped and found to have a blood alcohol concentration (BAC) below .04 percent:
you'll be required to attend a substance abuse course.
you will be arrested.
you will be placed out of service for 24 hours.
you will face a small fine.
40. To prevent drowsiness before a trip, you should:
avoid medications that cause drowsiness.
avoid driving with a passenger.
drive with the windows rolled down.
drink 2 cups of coffee.
Next page
NOT SURE YOU WILL PASS? GET CDL PREMIUM NOW! - Learn More